Search a number
-
+
313617930 = 23513179801
BaseRepresentation
bin10010101100010…
…110111000001010
3210212010102220220
4102230112320022
51120241233210
651041530510
710525464663
oct2254267012
9725112826
10313617930
1115103587a
1289043a36
134cc88352
142d91a36a
151c7edc70
hex12b16e0a

313617930 has 32 divisors (see below), whose sum is σ = 758438208. Its totient is φ = 82992000.

The previous prime is 313617923. The next prime is 313617937. The reversal of 313617930 is 39716313.

It is an interprime number because it is at equal distance from previous prime (313617923) and next prime (313617937).

It is a junction number, because it is equal to n+sod(n) for n = 313617891 and 313617900.

It is not an unprimeable number, because it can be changed into a prime (313617937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35971 + ... + 43830.

It is an arithmetic number, because the mean of its divisors is an integer number (23701194).

Almost surely, 2313617930 is an apocalyptic number.

313617930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313617930 is an abundant number, since it is smaller than the sum of its proper divisors (444820278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313617930 is a wasteful number, since it uses less digits than its factorization.

313617930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79942.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 313617930 is about 17709.2611364788. The cubic root of 313617930 is about 679.4126488182.

The spelling of 313617930 in words is "three hundred thirteen million, six hundred seventeen thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 79801 159602 239403 399005 478806 798010 1197015 2394030 10453931 20907862 31361793 52269655 62723586 104539310 156808965 313617930